antialias_aperture#
- abtem.antialias.antialias_aperture(gpts, sampling, xp=None)[source]#
Array defining a Fourier-space antialiasing aperture.
- Parameters:
gpts (two int, optional) – Number of grid points in x and y describing the antialiasing aperture.
sampling (two float, optional) – Reciprocal-space sampling in x and y of the antialiasing aperture. Units are arbitrary.
- Returns:
antialias_aperture_array
- Return type:
np.ndarray